Marking machine



April 5 1933'- J. B. HADAWAY ET AL 2,112,891

MARKING MACHINE Filed Jan. 22, 192 7 3 Sheets-Sheet l A/VEN THEE.

ab ZZZ/MM April 5, 1938. J. B. HADAWAY ET AL MARKING MACHINE Filed Jan. 22, 1937 5 Sheets-Sheet 2 April 1938- J. B. HADAWAY El AL 7 2,112,891

MARKING MACHINE Filed Jan. 22, 1937 3 Sheets-Sheet 3 l-lllill 62 as [VVENTUR5' v fz g, W

Patented Apr. 5, 1938 UNITED STATES v 2,112,891 PATENT OFFICE 2,112,891 MARKING MACHINE John B. Hadaway, Swampscott, and'Robert N. Sandberg, Beverly, Mass.,,assignors to United Shoe Machinery Corporation, Paterson, N. J., a corporation of New Jersey Application January 22, 1937, Serial No. 121,861 22 Claims. (o1. 33-4) This invention relates to marking machines and is herein illustrated as embodied in a machine adapted for indicating the contour to which the sole edge of a shoe is to be trimmed.

As pointed out in copending application Serial No. 119,555, filed on January 8, 1937, in the name of C. G. Brostrom, the sole edge trimming operation can be facilitated by making a series of guide marks indicating the desired extension of the sole edge from the upper at various points about'the io-repart.

A general object of this invention is to increase the accuracy and speed of a marking operation of this type, and to relieve the operator of the care and judgment which the operation requires to a greater extent than has been possible heretofore.

In accordance with this object, the present invention contemplates the automatic control of the spaced relation between a marking tool and a shoe positioning guide, in accordance With the different sole extensions it is desired to indicate. To this end, one featureof the invention consists of means for limiting the approach of the tool and the guide before the tool is moved into engagement with the shoe, this means comprising a member adapted to be moved into a different position for each sole extension and which is thus moved from one position to another each time the tool is operated to mark the shoe.

As herein illustrated, this means comprises a stop having lobes of different size on its periphery and adapted to be moved as the tool approaches the guide to present a different portion of its periphery to a part of the tool operating mechanism each time the tool is operated. Thus, any sequence of diiferent sole extensions may be indicated on a shoe by successivemarking movements of the tool in the use of the illustrated machine, it being necessary merely to provide a stop the periphery of which is shaped with reference to the desired sole extensions.

Further to facilitate the marking operation as carried out by the illustrated machine, it is constructed and arranged to carry the marking tool through a complete cycle of its movement with great speed and a minimum of eifort on the part of the operator. To this end, the marking tool is moved against the light resistance of a yielding member into its marking position by a short movement in one direction of means actuated by the operator, which means is released after the tool has engaged the shoe to permit the tool to be automatically returned to its starting position under the influence of the above-mentioned yielding member. Invention is also to be recognized in the provision of a carrier for the marking tool having means cooperating with a guide to move the marking tool into engagement with an inking member before the tool engages the shoe so that a fresh application of ink or other suitable marking medium is imparted to the tool prior to each marking operation.

These and other features of the invention will appear more fully from the following detailed descriptio'nwheri read in connection with the accompanying' drawings and will be pointed out in the claims.

' In the drawings,

Fig. 1 is 'a viewin perspective illustrating a machine in which the invention is embodied;

I Fig. 2 is a plan view illustrating the forepart of a shoe before-its sole edge is trimmed and marks made'by the illustrated machine indicating the desired sole edge extension at various points about the forepart;

Fig. 3 is an elevation of the machine viewed from the side opposite to that seen in Fig. 1; and

Fig. 4 is a side elevation similar to Fig. 3 but illustrating-therelation of the parts of the machine and a shoe when the latter is marked;

The illustrated machine, as mentioned above, is adapted'to' impart a series of marks A, B, C, D and E. (Fig. 2)to the upper surface of the sole edge extension of a shoe S as guides for the edge trimming operator who is to trim the sole edge to a contour indicated by these marks. In carrying out -this marking operation, the operator presents theshoeS'to the illustrated machine so that a guide 'lilabuts the side of the upper (Fig. 4) adjacent to the locality of the sole edge extension it is 'desiredto mark and then, by depressing a'treadle' (not shown), a work support I2 is moved upwardly against the bottom of the sole of the shoe, thereby to hold the shoe against the guide it, and later a marking tool 14 is moved into engagement with the sole edge extension at a predetermined distance from the adjacent portion of the upper This operation may be repeated at as many places as is necessary clearly to indicate the desired contour to which the sole edge is to be trimmed; but the illustrated machine, as will more fully appear below, is arranged to make a mark at five different points about the forepart, each-mark being'at a predetermined distance from the upper. y

The guide I0 is fixed at all times during the operation of the machine, being clamped to the upper part of the machine frame 16 by a screw 1 8 threaded into the guide In and passing through a slot 28 in the frame 16 to permit adjustment of the guide i0 toward and away from the tool M. The support 12 is rotatably mounted on a screw 22 threaded in a hinged member 24 at such an 'angle that the conical surface of the support 12, when it is'moved upwardly, as will be described later, holds the sole edge extension directly against the lower end of the guide l0. For the purpose of adjusting the angular relation between the support I2 and the guide I0, the block 24 is hinged to the head of a stem 26, on a pin 28 carried by the stem 26 and passing through the upper portions of flanges integral with the block 24 and arranged closely to embrace opposite sides of the head of the stem 26. The support I2 is held in any desired position of adjustment by a bolt 30 which passes through elongated slot in the stem 26'and is arranged to clamp the flanges of the block 24 firmly against the stem. Vertical movement of the work support I2 is permitted by a sliding connection between the stem 26 and a bearing 32 extending from the frame I6, rotation of the 26 being prevented by abutting vertical surfaces 34, 34 on the head of the stem 26 and frame I6. The work support I2 is thus operated to hold a work-piece against the guide I by a lever 36 pivoted at 38 to the frame I6. In order to provide for vertical adjustment of the support I2 the lower portion of the stem 26 has threaded thereon a flanged nut 40 between the sides of which is received the forward end of the lever 36. A look nut 42 is arranged to hold the nut 40 in any desired position of adjustment on the stem 26. The lever 36 is swung in a clockwise direction ,(Figs. 3 and 4), to elevate the work support I2 and to cause the shoe S to be held against the guide I0, by a spring 44 which connects the lever 36 with the bottom of the frame I6. This action of the work support I2 occurs whenever the machine is treadled, as a result of which a rod 46, passing through a bifurcation at the right-hand end of the lever 36 and carrying a collar 48 arranged normally to support the arm 36 against the tension of the spring 44, is lowered. The rod 46 is connected at its upper end to a lever 50 pivoted to the frame I6 on a stud 52, the lever 50 normally being urged in a clockwise direction by a spring 54 which is considerably stronger than the spring 44 and extends between the lever and the frame I6. Movement of.-the lever 50 in this direction is adjustably limited by a set screw 56 threaded in the lever and adapted to bear against a boss 58 formed on the frame I6.. The lower end of the rod 46 is arranged to slide in a hole 653 formed in the base of the frame I6 directly beneath the point of connection 01' the rod 46 to the, lever 50.

When the machine is treadled the rod 46 is first lowered and then quickly returned to its normal inoperative position, illustrated in Fig. 3, under the influence of the spring 54, by the mechanism now 'to be described. A treadle rod 62 connected to a lever 64 pivoted at 66 to the frame when lowered as by treadling the machine, moves downwardly a latch 68 pivoted on the forward end of the lever 64 and arranged to engage a collar 10 fixed to the rod 46. A spring I2 connecting the latch 68 and the lever 64 normally holds the latch hooked over the collar 10, but near'the bottom of the stroke of. the rod 46 a projection I4 on the base of the frame I6 engages a tail 16 of the latch 68, causing the latter to be swung out of engagement with the collar i? and thereby permitting the spring 54 quickly to return the rod 46 and other machine parts associated therewith to their inoperative position in which they areillustrated in Fig. 3.

While the work support I2 is being moved upwardly to hold the shoe against the guide I0 in manner above described, the tool I4 is moved toward the guide I0,- receives an application of marking medium such as ink for example, and

then, the shoe being held in the desired position between the guide I0 and the work support I2, the tool I4 is moved into engagement with the shoe at a predetermined distance from the upper without the use of any care on the part of the tool is accomplished by the following mechanism;

The tool I4 is held by abolt I8 in a carrier 80 which is pivoted at 82 to a lever 84'mounted to rock about the stud 52. The lever 84 has formed integrally therewith an arm 86 adapted to be engaged by a screw 88 threaded in the lever 50. The arm 86 and the screw 88 are normally held inengagement by a coiled spring 90 one end of which is looped about a part of the lever 84 and the other end of which is bent about another lever 92 also arranged to rock about the stud 52. Arod 94 fixed at the bifurcated lower end of the lever 92 is bored to receive the reduced lower end of a link 96 which is pivoted at 98 to the central portion of the carrier 80. Thus the spring 90, acting through the lever 92 and the link 96, yieldingly holds the carrier 80 against a guide roll I00 rotatably mounted in the upper part of the frame I6. As the carrier 80 and tool I4 are moved toward the guide I0, a pawl I02 mounted on the carrier 80 engages the roll I00 and causes the carrier 80 to swing down about the pivot 82 until the tool is moved into engagement with an ink roll I04 from which the tool receives an application of ink or other marking medium. The roll I04 is rotatably mounted in a reservoir I06 holding ink or other suitable marking medium into which the roll I 04 dips as it rotates, as indicated in Fig. 4. The roll I 04-is thus rotatedby the tool I4 to present a fresh portion of its surface to the tool each time it is moved into engagement with the work. The reservoir I06 is closed at its upper side by a cover I08 through which the roll I04 extends and is supported on the frame I6 by a spring clip IIO. Shortly after the tool I4 engages the roll I04 the upper end of the pawl I02, the tail of which is normally held by a spring H2 at the bottom of a recess II 4 in the carrier 80, is swung by contact with the roll I00 in a counterclockwise direction into the recess as the direction of the pressure between the roll I00 and the pawl I02 moves across the pivotal axis of the pawl from right to left (Fig. 4), permitting the carrier 80 to reengage the roll I00 and causing the tool I4 to v jump away from the inking roll I04, as indicated by the path of the tool illustrated in Fig. 3. As the tool I4 approaches the guide I0, a roll II6 mounted on the lever 84 at II8 engages a stop I20 detachably fixed to a shaft I22 rotatably mounted in the frame I6.

The stop I20 is provided with a plurality of lobes having different radii, determined with reference to the different distances between the marks A, B, C, D and E and the respective portions of the upper adjacent thereto. The stop I20 is rotated each time the marking tool I4 is actuated by connections comprising a link I24 pivoted at one end to the lever 50 and at its other end to a lever I26 pivotally mounted on the frame I 6 by means of a screw I28. The rear end of the lever I26 is slotted to receive a stud I30 carried by a swivel member I32 arranged to swing about the shaft I22. The swivel member I32 carries a pawl I34 adapted to engage a ratchet wheel I 36 having one tooth for each desired position of the stop I20. Retrograde movement of the stop I20 is prevented by a pawl I38 pivoted at I40 on the frame I6, the pawl normally being held in engagement with the ratchet wheel I36 by a spring I42. It will now be apparent that before the tool I4 has reached the end of its movement toward the guide I0 the stop I20 will have been rotated to bring a different portion of its periphery into position to be engaged by the roll IIB whereby the required spacing of the mark with respect to the upper is predetermined and automatically changed as different parts of the forepart of the shoe are presented in succession to the marking tool. The stop I20, as herein illustrated, has only three lobes because the marks 13, C and D on the illustrated shoe are required to be uniformly spaced from the upper, the marks A and E each being differently spaced from the upper. It is to be understood, however, that the stop I20 is to be shaped with reference to the required position of the marks and that it might have five lobes having different radii.

After the tool I4 has been positioned with respect to the guide I0 by engagement of the roll IIE with the stop I 20, further counterclockwise rotation of the lever 84 is prevented and the lever is then swung away from the arm 30 and into engagement with a screw I44 threaded in the lever 02 which, acting through a spring I46 interposed between the shaft 94 and a washer M8 locked on the end of the link 96, yieldingly moves the tool I4 downwardly into engagement with the shoe to mark it. Toward the latter part of the downward stroke of the rod 46 and after the tool I4 has been moved into engagement with the shoe to mark it, the pawl 68 strikes the projection I4 and is moved out of engagement with the collar I0, thereby permitting the rod 46 to rise suddenly under the influence of the spring 54. The first effect of the rise of the rod 46 and lever 50 is the raising of the tool I4 from the work, this movement being followed as the screw 88 strikes the arm 86 by movement of the carrier 80 to its rearmost position, determined by the engagement of. the screw 58 with the boss 58. While the carrier 30 is thus being retracted, the collar 48 engages the rearmost end of the lever 36 which is then swung in a counterclockwise direction to lower the work support I2. Thus, practically instantly after the making of one mark on the shoe the machine is ready to be retreadled to make a succeeding mark the position of which with respect to the upper will be automatically determined by the stop I20 which, as described above, is rotated each time the tool is caused to mark the work.

Having thus described our invention, what we claim as new and desire to secure by Letters Patent of the United States is:

1. In a marking machine, a guide shaped and arranged to engagethe upper of a shoe adjacent to its welt crease, a marking tool, means for moving said tool successively toward said guide and then into engagement with the shoe to mark it, a member for controlling the relative position of the guide and tool as the tool is moved into engagement with the shoe, said member being movable into a plurality of diiferent positions in accordance with the desired sole extension, and mechanism operated by said means for positioning said member each time the tool is moved into engagement with the shoe.

2. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a marking tool mounted for movement toward said guide and into engagement with the shoe to mark it, said guide and tool being movable relatively to each other whereby the position of the mark on the shoe may be varied, means for positioning said tool and guide relatively to each other comprising a member adapted to be moved into a different position for each desired spaced relation of said guide and tool, means for operating said tool, connections between said operating means and said member for causing said member to be moved from one position to another before said tool engages the shoe.

3. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a marking tool mounted for movement toward said guide and into engagement with the shoe to mark it, said guide and tool being movable relatively to each other to determine the position of the mark on the shoe, marking tool operating means, means for controlling the relative position of the tool and guide when the tool engages the shoe, and connections arranged to cause the last-mentioned means to be actuated by said operating means.

4. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a marking tool, means for operating said tool constructed and arranged successively to move said tool toward said guide and into engagement with the shoe, means for adjustably limiting the movement of said tool toward said guide, and connections actuated by said tool operating means for positioning the last-mentioned means.

5. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a marking tool mounted for movement successively toward said guide and into engagement with the shoe, means for limiting the movement of said tool toward said guide, said means being adapted to be moved into a plurality of positions, and mechanism for moving said means between. successive positions each time said tool is operated to mark the shoe.

6. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a support movable toward said guide to hold a shoe thereagainst, a marking tool, means for moving said tool successively toward said guide and then into engagement with the shoe, 2. stop cooperating with said means to limit the movement of said tool toward said guide, said stop being movable into any one oi a plurality of positions, and means for setting said stop as said tool is moved toward said guide.

'1. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a marking tool, means for moving said tool toward said guide and into engagement with the shoe, a stop adapted to be set in a number of positions thereby adjustably to limit the movement of said tool toward said guide, and connections. actuated by said means for setting said stop,

8. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a marking tool, means comprissaid inking member.

ing members arranged to yield relatively to each other for moving said tool toward said guide, a stop cooperating with one of said members to limit the movement of said tool toward said guide, and means cooperating with the other of said members for moving said tool into engagement with the shoe.

9. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, an arm having a marking tool thereon, a lever pivoted to said arm and mounted for movement so as to cause said tool to approach said guide, links connected to said arm for moving said tool into engagement with the shoe, an operator-controlled member for actuating said lever and links, and yielding means arranged normally to hold said lever and member in engagement with each other.

10. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, an arm carrying a marking tool, a member connected to said arm mounted and arranged to move said tool laterally of said guide, means cooperating with said member for adjustably limiting its above-mentioned movement, links for moving said arm to cause said tool to engage the shoe, and operator-controlled means cooperating successively with said member and one of said links to move said tool laterally of said guide and then into engagement with the shoe.

11. In. a marking machine a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a marking tool, an arm carrying said tool and mounted to swing so as to move said tool toward said guide and into engagement with the shoe, a stop for limiting the movement of said tool toward said guide, an operator-controlled member, and connections between said arm and member actuated by said member to move said tool into engagement with said shoe.

12. In a marking machine, a marking tool, an arm carrying said tool and mounted for movement between an inoperative and a marking position, an inking member, a guide arranged to control the movement of said arm, and a pawl carried by said arm. and adapted to cooperate with said guide to move said tool into engagement with said inking member as said arm app-roaches its marking position.

13. In a marking machine, a marking tool, a carrier for said tool mounted for movement between an inoperative and a. marking position, a guide for said carrier, and an inking member, said carrier having a projection adapted to engage said guide as said carrier moves toward its marking position thereby to cause said tool to engage 14. In a marking machine, a marking tool mounted for movement between an inoperative and a marking position, an inking member, a, carrier for said tool, means for guiding said carrier, and means on said carrier arranged to engage said guiding means during the movement of said tool toward its marking position thereby to move the tool into engagement with said inking member.

15. In a marking machine, a marking tool, a carrier for said tool mounted for movement between an inoperative and a marking position, an inking member, and means actuated by movement of said carrier toward its marking position for moving said tool into engagement with said inking member.

16. In a marking machine, a work support, a

marking tool mounted for movement from an inoperative position into engagement with a shoe on said support, operating means for said tool comprising a yielding member mounted and arranged to urge said tool toward itsinoperative position, means for actuating said operating means thereby to mark the shoe, and means for releasing said operating means after the shoe is marked whereby said yielding member is permitted to return said tool to its inoperative position.

17. In a marking machine, a guide shaped and arranged to engage the upper of a shoe adjacent to its welt crease, a shoe support movable toward said guide to hold a shoe thereagainst, a marking tool mounted for movement from an inoperative position into engagement with said shoe, operating means arranged yieldingly to hold said shoe support and tool away from said guide, means for actuating said operating means thereby to mark the shoe, and means for disconnecting said operating means and last-mentioned means after the shoe is marked thereby to permit said operating means to return said support and tool to their inoperative positions.

18. In a marking machine, a shoe support, a marking tool mounted for movement from an inoperative position into engagement with a shoe on said support, operating means for said tool constructed and arranged normally to hold said tool yieldingly in its inoperative position, an operator controlled member, and a latch normally connecting said member and operating means, said latch being mounted and arranged to release said operating means after the shoe has been marked.

19. In a marking machine, a marking tool, an inking member, a carrier for said tool mounted for movement between an inoperative and a marking position, a guide for said carrier, and means in said carrier adapted to engage said guide for causing said tool to be moved into engagement with said inking member, said means being mounted and arranged to yield in passing said guide whereby the contact of said tool and inking member is momentary.

20. In a marking machine, a marking tool, a shoe guide, a carrier for said tool, means for operating said carrier to cause the tool to be moved toward said guide and then into engagement with a shoe held against said guide, an inking member, and means mounted and arranged to utilize the movement of the carrier toward said guide to move said tool into engagement with said inking member.

21. In a. marking machine, a marking tool, an arm carrying said tool and mounted for movement toward and away from a marking position, an inking member, a roll arranged to guide said arm, a pawl mounted on said arm to yield in pass ing said roll in one direction but to cause said tool to engage said inking member when moved in the opposite direction into engagement with said roll.

22. In a marking machine, a marking tool, a

carrier for said tool mounted to move the latter toward and away from a marking position, a guide roll adapted to engage said carrier thereby to guide said tool, an inking member, and a pawl on said carrier mounted and arranged momentarily to move said carrier away from said roll thereby to cause said tool to engage said inking member.

JOHN B. HADAWAY. ROBERT N. SANDBERG. 

